breadboard

UK: /ˈbrɛdbɔː^rd/ US: (bred′bôrd′, -bōrd′)

WordReference Random House Unabridged Dictionary of American English © 2025

bread•board  (bred′bôrd′, -bōrd′), n. 

1. Food a slab of wood on which dough is kneaded and bread is sliced.
2. Electronics a circuit assembled on an insulating surface, often with solderless contacts, in which components can easily be replaced for circuit alteration and experimentation.

v.t. 

3. Electronics to construct (an experimental circuit) for the purpose of feasibility tests.

• bread + board 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::

breadboard / ˈbrɛdˌbɔːd/ noun

1. a wooden board on which dough is kneaded or bread is sliced
2. an experimental arrangement of electronic circuits giving access to components so that modifications can be carried out easily